patch applied (packages/base): Reexport (>>>) and (<<<) from Control.Arrow. Preserves API compatibility

[Don Stewart]

Wed Apr 30 16:10:55 PDT 2008  Don Stewart <dons at galois.com>
  * Reexport (>>>) and (<<<) from Control.Arrow. Preserves API compatibility

    M ./Control/Arrow.hs -1 +3

View patch online:
http://darcs.haskell.org/packages/base/_darcs/patches/20080430231055-cba2c-fe12d31c0408e187899302846ee45e2189d9b14e.gz